﻿using System;
using System.ComponentModel;
using System.Threading;
using System.Windows;
using RIBA.Web;

namespace RIBA
{
	public partial class App
	{
		// Runs not in Design Mode
		public App()
		{
			Startup += Application_Startup;
			Exit += Application_Exit;
			UnhandledException += Application_UnhandledException;

			InitializeComponent();

			// see WebContextWrapper instantiated in App.xaml
			//var webContext = new WebContext { Authentication = new FormsAuthentication() }; // Runs not in Design Mode
			//Resources.Add("App_WebContext", webContext);
			//ApplicationLifetimeObjects.Add(webContext);

			TextRes.SetLanguage(Thread.CurrentThread.CurrentUICulture.TwoLetterISOLanguageName);
			((TextResWrapper)Current.Resources["App_TextResourceWrapper"]).OnPropertyChanged(new PropertyChangedEventArgs("TextResource"));

			// http://bryantlikes.com/IdleTimeoutsInRIAServicesAuthentication.aspx
		}

		private void Application_Startup(object sender, StartupEventArgs e)
		{
			RootVisual = new MainPage();
		}

		private void Application_Exit(object sender, EventArgs e)
		{
		}

		private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
		{
			// If the app is running outside of the debugger then report the exception using
			// the browser's exception mechanism. On IE this will display it a yellow alert 
			// icon in the status bar and Firefox will display a script error.
			if (!System.Diagnostics.Debugger.IsAttached)
			{
				// NOTE: This will allow the application to continue running after an exception has been thrown
				// but not handled. 
				// For production applications this error handling should be replaced with something that will 
				// report the error to the website and stop the application.
				e.Handled = true;
				Deployment.Current.Dispatcher.BeginInvoke(delegate { ReportErrorToDOM(e); });
			}
		}

		private void ReportErrorToDOM(ApplicationUnhandledExceptionEventArgs e)
		{
			try
			{
				string errorMsg = e.ExceptionObject.Message + e.ExceptionObject.StackTrace;
				errorMsg = errorMsg.Replace('"', '\'').Replace("\r\n", @"\n");

				System.Windows.Browser.HtmlPage.Window.Eval("throw new Error(\"Unhandled Error in Silverlight Application " + errorMsg + "\");");
			}
			catch (Exception)
			{
			}
		}
	}
}